the dead included one of afghanistan's leading clerics. the president's brother was assassinated at his home on tuesday. the taliban claimed responsibility for that killing. the commander of nato forces in afghanistan, and general david petraeus, has been holding security talks in pakistan as divisions deen beten washington and islamabad. the u.s. is holding hundreds of millions of dollars in security assistance. pakistan has called for an end to u.s. drone raids that have been taking an increasing civilian toll. >> u.s. drones' fly it around the clock in pakistan, targeting fighters in the mountainous region bordering afghanistan. civilians are often killed in the attacks. pakistan has condemned the ground strikes as a violation of ssovereignty, althoh some analysts believe they are carried out with the help of pakistan the -- pakistani intelligence. >> we are firmly against all terrorist groups. but we fight in partnership with other law-enforcement agencies. >> washington announced it was holding back a third of the military aid earmark